SOLD Ammonite Inlay Pendant - Ethiopian Opal 1.570" rockinaboxopal This is called hoppering

This is called hoppering

Offered in extremely limited quantity—genuine handwriting from President Abraham Lincoln

Knightia were small

700 years old

this had to be done by hand with tweezers

SOLD Ammonite Inlay Pendant - Ethiopian Opal 1.570" rockinaboxopal This is called hopperingAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. Inside each of their shells was a network of chambers called camerae that were filled with gas, allowing these creatures to control their buoyancy. Coupled with their hydrodynamic shells, ammonites could quickly close the gap between them and their prey. This fossil ammonite pendant measures 1. 570" and has been inlaid with Ethiopian opal, highlighting